New flow-field design with simulation testing features for flow uniformity in fuel cells
New-generation electrodes with industry-leading resistance overpotentials
Comprehensive power consumption ≤4.9 kWh/Nm³
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Product Introduction
2000 Nm3/h Alkaline Water Electrolyzer
Advantage
1. Wide Power Fluctuation Range
With a power fluctuation range spanning from 30% to 120%, our system is ideally suited for hydrogen production based on wind and solar energy sources.
2. High Reliability
Our system boasts double security features with both internal and external sealing mechanisms. An upgraded fastening system minimizes electrolyzer leakage even under alternating working conditions. Incorporating large diameter double pole plate technology, we effectively reduce the length of the electrolyzer. Moreover, the bipolar plate coating thickness exceeds 50μm at its lowest point, ensuring high corrosion resistance and prolonged service life.
3. Low DC Power Consumption
Benefiting from a new flow-field design, our system undergoes rigorous simulation of electrolyzer structures, with iterative testing and optimization ensuring flow uniformity in fuel cells. Our new-generation electrodes exhibit industry-leading overpotentials and demonstrate remarkable tolerance in electrode reactions, contributing to comprehensive power consumption of ≤4.8 kWh/Nm³.
4. Short Cold Start Time
Equipped with a self-developed lye heating circulation system, our system achieves a 50% reduction in cold start time, facilitating swift operation even in low-temperature conditions.
Technical specifications and performance
1. High Production Capacity
With a hydrogen production capacity of up to 2000 Nm³/h, this alkaline electrolyzer meets the demands of large-scale industrial hydrogen production, catalyzing the advancement of clean-energy initiatives.
2. Low Energy Consumption
Energy efficiency is paramount in evaluating hydrogen production equipment. This large circular electrolyzer boasts a DC power consumption of ≤ 4.4 kWh/Nm³, significantly outperforming similar products in terms of energy efficiency.
3. High Purity
Purity is a critical factor in hydrogen applications across diverse fields. The immense circular electrolyzer delivers high-purity hydrogen, achieving a purity level exceeding 99.8% before purification, and surpassing 99.999% after purification.
4. Stable Operation
Ensuring equipment stability is paramount in large-scale production settings. Operating at a pressure of 1.8 MPa and a temperature of 90±5℃, this immense circular electrolyzer guarantees reliable and safe operation, fostering an environment conducive to efficient industrial processes.
5. Flexible Control
Adaptability to various operational conditions is essential for production efficiency. Featuring a wide power fluctuation range of 30-120%, this immense circular electrolyzer enables flexible control, ensuring optimal performance across diverse operating environments.
Name
Specifications
Hydrogen production capacity (Nm³/h)
2000
kg/24 hours
4280
Standard scope of work (%)
30~120
DC power consumption (kWh/Nm3)
≤4.4
Hydrogen purity (before purification)
≥99.8%
Hydrogen purity (after purification)
≥99.999%
H₂O-H₂ content (PPM)
≤2.54
Electrolyzer enclosure - W x D x H (m)
7.16×2.89×2.94
Working pressure (MPa)
1.8
Working temperature (℃)
90±5
Environment temperature (℃)
5~45
Electrolyte (%KOH)
30
Scope of Application
As the cost of renewable energy, particularly from wind power and photovoltaic sources, continues to decline gradually, the widespread adoption of green hydrogen is becoming economically viable, with estimates suggesting it could represent 60%-70% of the cost of green hydrogen production from electricity bills. According to analysis and predictions, green hydrogen is poised to find applications across various sectors including transportation, industry, hydrogen energy storage, and in hydrogen-powered medical services and laboratories.
In the short term, anticipated developments before 2025 include the emergence of fuel cell vehicle industry clusters, demonstration projects showcasing the use of low-cost green hydrogen in regional industries and transportation, and the adoption of hydrogen-powered medical services and laboratory equipment, primarily utilizing PEM (Proton Exchange Membrane) models.
Looking further ahead, beyond 2025, the focus of green hydrogen application is expected to shift towards large-scale utilization in industry, hydrogen energy storage solutions, and transportation infrastructure.
What is the concept of water electrolysis?
Water electrolysis is a chemical experiment that uses water decomposition and synthesis experiments to understand that water is composed of hydrogen and oxygen. The main supplies include Hoffman electrolyzer, DC power supply (or lead-acid battery), wires, test tubes, alcohol lamps, gas pipes, induction coils, electric keys, iron stands, iron clamps, gas storage bottles, glass sinks, etc.
concept
The electrolysis of water to produce hydrogen and oxygen is a well-known technology. The basic principle is that water is converted into gaseous hydrogen and oxygen by DC power, which is the reverse process of the fuel cell. Nicholson and Carlisle first demonstrated the water electrolysis process in 1800. Faraday clarified the principle of water electrolysis in 1834 and proposed the concept of "electrolysis". The commercial use of electrolysis to generate hydrogen from water was first started in 1902 by the engineering company Oerlikon.
There are two main types of electrolyzers based on operating temperature: low-temperature electrolysis technology and high-temperature electrolysis. LTE is divided into two types: alkaline electrolyzer and proton exchange membrane electrolyzer. Both of them have been commercialized and can achieve energy efficiency of about 75%. Alkaline water electrolysis technology using potassium hydroxide aqueous solution (OH-) as the electrolyte is a mature technology and occupies most of the commercial water electrolyzer market. The main research and development issue in the future is to improve energy efficiency while reducing the cost of electrolysis equipment. cost. Alkaline electrolyte membranes are under development, and their success will bring greater progress to water electrolysis technology.
SANY Hydrogen Energy stands out among global competitors due to its exceptional overseas after-sales service system. Supported by the Overseas Business Department of SANY Group, our dedication lies in delivering comprehensive hydrogen production and refueling services to our valued customers. This includes on-site maintenance, technical support, and personnel training.
Hydrogen Production Equipment Service Program
1. On-site Maintenance and Technical Support
1.1 Design and Technical Consultation
- Collaborating with designers to finalize detailed designs.
- Participating in design reviews and engineering coordination meetings organized by clients.
1.2 On-site Assistance
- Guiding equipment installation at the site.
- Overseeing initial startup commissioning and equipment handover.
- Providing thorough technical training for maintenance personnel.
1.3 After-sales Support
- Responding to and assisting with troubleshooting equipment issues within 24 hours.
- Offering information on spare parts manufacturers and aiding in selection and procurement.
- Furnishing complimentary technical services before warranty expiration.
2. Training
2.1 Technical Training and Support
- Conducting equipment installation and commissioning.
- Training users' technicians and operators during on-site services.
2.2 Ongoing Support
- Providing prompt and high-quality services to ensure equipment functionality.
- Supplying information on spare parts manufacturers, including updates on technology and new parts.
Hydrogen Refueling Equipment Service Program
1. Warranty
1.1 Quality Standards and Terms
- Ensuring equipment, materials, and components meet relevant specifications and national standards.
- Guaranteeing equipment performance aligns with technical and standard specifications.
1.2 Warranty Coverage
- Offering a one-year warranty post-acceptance.
- Committing to free repair of faults and damages caused by human error and replacement of failed parts during the warranty period.
2. On-site and After-sales Support
2.1 Response and Service Time
- Promising a two-hour response time and dispatching qualified engineers and technicians for site inspection and maintenance within 24 hours.
2.2 Engineering Design and Civil Construction
- Collaborating with equipment manufacturers and design institutes for technical consultation.
- Providing on-site support during civil construction to ensure adherence to technical requirements and design specifications.
2.3 Equipment Delivery, Installation, and Acceptance
- Guiding equipment hoisting and positioning and supporting preliminary acceptance.
- Offering technical support and communication regarding on-site equipment interfaces.
- Ensuring smooth commissioning through planning, system testing, and preparation of acceptance reports.
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